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                  <a href="#glib-Caches.description" class="shortcut">Description</a></span>
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<div class="refentry">
<a name="glib-Caches"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="glib-Caches.top_of_page"></a>Caches</span></h2>
<p>Caches — caches allow sharing of complex data structures
                    to save resources</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="glib-Caches.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="returnvalue">GCache</span></a> *
</td>
<td class="function_name">
<a class="link" href="glib-Caches.html#g-cache-new" title="g_cache_new ()">g_cache_new</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="returnvalue">gpointer</span></a>
</td>
<td class="function_name">
<a class="link" href="glib-Caches.html#g-cache-insert" title="g_cache_insert ()">g_cache_insert</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="glib-Caches.html#g-cache-remove" title="g_cache_remove ()">g_cache_remove</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="glib-Caches.html#g-cache-destroy" title="g_cache_destroy ()">g_cache_destroy</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="glib-Caches.html#g-cache-key-foreach" title="g_cache_key_foreach ()">g_cache_key_foreach</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="glib-Caches.html#g-cache-value-foreach" title="g_cache_value_foreach ()">g_cache_value_foreach</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="glib-Caches.html#GCacheDestroyFunc" title="GCacheDestroyFunc ()">*GCacheDestroyFunc</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="returnvalue">gpointer</span></a>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="glib-Caches.html#GCacheDupFunc" title="GCacheDupFunc ()">*GCacheDupFunc</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="returnvalue">gpointer</span></a>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="glib-Caches.html#GCacheNewFunc" title="GCacheNewFunc ()">*GCacheNewFunc</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="glib-Caches.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody><tr>
<td class="datatype_keyword"> </td>
<td class="function_name"><a class="link" href="glib-Caches.html#GCache" title="GCache">GCache</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="glib-Caches.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include &lt;glib.h&gt;
</pre>
</div>
<div class="refsect1">
<a name="glib-Caches.description"></a><h2>Description</h2>
<p>A <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> allows sharing of complex data structures, in order to
save system resources.</p>
<p>GCache uses keys and values. A GCache key describes the properties
of a particular resource. A GCache value is the actual resource.</p>
<p>GCache has been marked as deprecated, since this API is rarely
used and not very actively maintained.</p>
</div>
<div class="refsect1">
<a name="glib-Caches.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="g-cache-new"></a><h3>g_cache_new ()</h3>
<pre class="programlisting"><a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="returnvalue">GCache</span></a> *
g_cache_new (<em class="parameter"><code><a class="link" href="glib-Caches.html#GCacheNewFunc" title="GCacheNewFunc ()"><span class="type">GCacheNewFunc</span></a> value_new_func</code></em>,
             <em class="parameter"><code><a class="link" href="glib-Caches.html#GCacheDestroyFunc" title="GCacheDestroyFunc ()"><span class="type">GCacheDestroyFunc</span></a> value_destroy_func</code></em>,
             <em class="parameter"><code><a class="link" href="glib-Caches.html#GCacheDupFunc" title="GCacheDupFunc ()"><span class="type">GCacheDupFunc</span></a> key_dup_func</code></em>,
             <em class="parameter"><code><a class="link" href="glib-Caches.html#GCacheDestroyFunc" title="GCacheDestroyFunc ()"><span class="type">GCacheDestroyFunc</span></a> key_destroy_func</code></em>,
             <em class="parameter"><code><a class="link" href="glib-Hash-Tables.html#GHashFunc" title="GHashFunc ()"><span class="type">GHashFunc</span></a> hash_key_func</code></em>,
             <em class="parameter"><code><a class="link" href="glib-Hash-Tables.html#GHashFunc" title="GHashFunc ()"><span class="type">GHashFunc</span></a> hash_value_func</code></em>,
             <em class="parameter"><code><a class="link" href="glib-Hash-Tables.html#GEqualFunc" title="GEqualFunc ()"><span class="type">GEqualFunc</span></a> key_equal_func</code></em>);</pre>
<div class="warning">
<p><code class="literal">g_cache_new</code> has been deprecated since version 2.32 and should not be used in newly-written code.</p>
<p>Use a <a class="link" href="glib-Hash-Tables.html#GHashTable" title="GHashTable"><span class="type">GHashTable</span></a> instead</p>
</div>
<p>Creates a new <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a>.</p>
<div class="refsect3">
<a name="id-1.7.3.7.2.6"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>value_new_func</p></td>
<td class="parameter_description"><p>a function to create a new object given a key.
This is called by <a class="link" href="glib-Caches.html#g-cache-insert" title="g_cache_insert ()"><code class="function">g_cache_insert()</code></a> if an object
with the given key does not already exist</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>value_destroy_func</p></td>
<td class="parameter_description"><p>a function to destroy an object. It is called
by <a class="link" href="glib-Caches.html#g-cache-remove" title="g_cache_remove ()"><code class="function">g_cache_remove()</code></a> when the object is no
longer needed (i.e. its reference count drops
to 0)</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>key_dup_func</p></td>
<td class="parameter_description"><p>a function to copy a key. It is called by
<a class="link" href="glib-Caches.html#g-cache-insert" title="g_cache_insert ()"><code class="function">g_cache_insert()</code></a> if the key does not already exist in
the <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>key_destroy_func</p></td>
<td class="parameter_description"><p>a function to destroy a key. It is called by
<a class="link" href="glib-Caches.html#g-cache-remove" title="g_cache_remove ()"><code class="function">g_cache_remove()</code></a> when the object is no longer
needed (i.e. its reference count drops to 0)</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>hash_key_func</p></td>
<td class="parameter_description"><p>a function to create a hash value from a key</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>hash_value_func</p></td>
<td class="parameter_description"><p>a function to create a hash value from a value</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>key_equal_func</p></td>
<td class="parameter_description"><p>a function to compare two keys. It should return
<a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> if the two keys are equivalent</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.7.3.7.2.7"></a><h4>Returns</h4>
<p> a new <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-cache-insert"></a><h3>g_cache_insert ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="returnvalue">gpointer</span></a>
g_cache_insert (<em class="parameter"><code><a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> *cache</code></em>,
                <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> key</code></em>);</pre>
<div class="warning">
<p><code class="literal">g_cache_insert</code> has been deprecated since version 2.32 and should not be used in newly-written code.</p>
<p>Use a <a class="link" href="glib-Hash-Tables.html#GHashTable" title="GHashTable"><span class="type">GHashTable</span></a> instead</p>
</div>
<p>Gets the value corresponding to the given key, creating it if
necessary. It first checks if the value already exists in the
<a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a>, by using the <em class="parameter"><code>key_equal_func</code></em>
 function passed to
<a class="link" href="glib-Caches.html#g-cache-new" title="g_cache_new ()"><code class="function">g_cache_new()</code></a>. If it does already exist it is returned, and its
reference count is increased by one. If the value does not currently
exist, if is created by calling the <em class="parameter"><code>value_new_func</code></em>
. The key is
duplicated by calling <em class="parameter"><code>key_dup_func</code></em>
 and the duplicated key and value
are inserted into the <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a>.</p>
<div class="refsect3">
<a name="id-1.7.3.7.3.6"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>cache</p></td>
<td class="parameter_description"><p>a <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>key</p></td>
<td class="parameter_description"><p>a key describing a <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> object</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.7.3.7.3.7"></a><h4>Returns</h4>
<p> a pointer to a <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> value</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-cache-remove"></a><h3>g_cache_remove ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_cache_remove (<em class="parameter"><code><a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> *cache</code></em>,
                <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gconstpointer" title="gconstpointer"><span class="type">gconstpointer</span></a> value</code></em>);</pre>
<div class="warning">
<p><code class="literal">g_cache_remove</code> has been deprecated since version 2.32 and should not be used in newly-written code.</p>
<p>Use a <a class="link" href="glib-Hash-Tables.html#GHashTable" title="GHashTable"><span class="type">GHashTable</span></a> instead</p>
</div>
<p>Decreases the reference count of the given value. If it drops to 0
then the value and its corresponding key are destroyed, using the
<em class="parameter"><code>value_destroy_func</code></em>
 and <em class="parameter"><code>key_destroy_func</code></em>
 passed to <a class="link" href="glib-Caches.html#g-cache-new" title="g_cache_new ()"><code class="function">g_cache_new()</code></a>.</p>
<div class="refsect3">
<a name="id-1.7.3.7.4.6"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>cache</p></td>
<td class="parameter_description"><p>a <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>the value to remove</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-cache-destroy"></a><h3>g_cache_destroy ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_cache_destroy (<em class="parameter"><code><a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> *cache</code></em>);</pre>
<div class="warning">
<p><code class="literal">g_cache_destroy</code> has been deprecated since version 2.32 and should not be used in newly-written code.</p>
<p>Use a <a class="link" href="glib-Hash-Tables.html#GHashTable" title="GHashTable"><span class="type">GHashTable</span></a> instead</p>
</div>
<p>Frees the memory allocated for the <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a>.</p>
<p>Note that it does not destroy the keys and values which were
contained in the <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a>.</p>
<div class="refsect3">
<a name="id-1.7.3.7.5.7"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>cache</p></td>
<td class="parameter_description"><p>a <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-cache-key-foreach"></a><h3>g_cache_key_foreach ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_cache_key_foreach (<em class="parameter"><code><a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> *cache</code></em>,
                     <em class="parameter"><code><a class="link" href="glib-Hash-Tables.html#GHFunc" title="GHFunc ()"><span class="type">GHFunc</span></a> func</code></em>,
                     <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> user_data</code></em>);</pre>
<div class="warning">
<p><code class="literal">g_cache_key_foreach</code> has been deprecated since version 2.32 and should not be used in newly-written code.</p>
<p>Use a <a class="link" href="glib-Hash-Tables.html#GHashTable" title="GHashTable"><span class="type">GHashTable</span></a> instead</p>
</div>
<p>Calls the given function for each of the keys in the <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a>.</p>
<p>NOTE <em class="parameter"><code>func</code></em>
 is passed three parameters, the value and key of a cache
entry and the <em class="parameter"><code>user_data</code></em>
. The order of value and key is different
from the order in which <a class="link" href="glib-Hash-Tables.html#g-hash-table-foreach" title="g_hash_table_foreach ()"><code class="function">g_hash_table_foreach()</code></a> passes key-value
pairs to its callback function !</p>
<div class="refsect3">
<a name="id-1.7.3.7.6.7"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>cache</p></td>
<td class="parameter_description"><p>a <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>func</p></td>
<td class="parameter_description"><p>the function to call with each <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> key</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data to pass to the function</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="g-cache-value-foreach"></a><h3>g_cache_value_foreach ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
g_cache_value_foreach (<em class="parameter"><code><a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> *cache</code></em>,
                       <em class="parameter"><code><a class="link" href="glib-Hash-Tables.html#GHFunc" title="GHFunc ()"><span class="type">GHFunc</span></a> func</code></em>,
                       <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> user_data</code></em>);</pre>
<div class="warning">
<p><code class="literal">g_cache_value_foreach</code> has been deprecated since version 2.10 and should not be used in newly-written code.</p>
<p>The reason is that it passes pointers to internal
   data structures to <em class="parameter"><code>func</code></em>
; use <a class="link" href="glib-Caches.html#g-cache-key-foreach" title="g_cache_key_foreach ()"><code class="function">g_cache_key_foreach()</code></a> instead</p>
</div>
<p>Calls the given function for each of the values in the <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a>.</p>
<div class="refsect3">
<a name="id-1.7.3.7.7.6"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>cache</p></td>
<td class="parameter_description"><p>a <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>func</p></td>
<td class="parameter_description"><p>the function to call with each <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> value</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data to pass to the function</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GCacheDestroyFunc"></a><h3>GCacheDestroyFunc ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
<span class="c_punctuation">(</span>*GCacheDestroyFunc<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> value</code></em>);</pre>
<div class="warning"><p><code class="literal">GCacheDestroyFunc</code> is deprecated and should not be used in newly-written code.</p></div>
<p>Specifies the type of the <em class="parameter"><code>value_destroy_func</code></em>
 and <em class="parameter"><code>key_destroy_func</code></em>

functions passed to <a class="link" href="glib-Caches.html#g-cache-new" title="g_cache_new ()"><code class="function">g_cache_new()</code></a>. The functions are passed a
pointer to the <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> key or <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> value and should free any
memory and other resources associated with it.</p>
<div class="refsect3">
<a name="id-1.7.3.7.8.6"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>the <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> value to destroy</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GCacheDupFunc"></a><h3>GCacheDupFunc ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="returnvalue">gpointer</span></a>
<span class="c_punctuation">(</span>*GCacheDupFunc<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> value</code></em>);</pre>
<div class="warning"><p><code class="literal">GCacheDupFunc</code> is deprecated and should not be used in newly-written code.</p></div>
<p>Specifies the type of the <em class="parameter"><code>key_dup_func</code></em>
 function passed to
<a class="link" href="glib-Caches.html#g-cache-new" title="g_cache_new ()"><code class="function">g_cache_new()</code></a>. The function is passed a key
(&lt;emphasis&gt;not&lt;/emphasis&gt; a value as the prototype implies) and
should return a duplicate of the key.</p>
<div class="refsect3">
<a name="id-1.7.3.7.9.6"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>the <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> key to destroy (&lt;emphasis&gt;not&lt;/emphasis&gt; a
<a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> value as it seems)</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.7.3.7.9.7"></a><h4>Returns</h4>
<p> a copy of the <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> key</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GCacheNewFunc"></a><h3>GCacheNewFunc ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="returnvalue">gpointer</span></a>
<span class="c_punctuation">(</span>*GCacheNewFunc<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> key</code></em>);</pre>
<div class="warning"><p><code class="literal">GCacheNewFunc</code> is deprecated and should not be used in newly-written code.</p></div>
<p>Specifies the type of the <em class="parameter"><code>value_new_func</code></em>
 function passed to
<a class="link" href="glib-Caches.html#g-cache-new" title="g_cache_new ()"><code class="function">g_cache_new()</code></a>. It is passed a <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> key and should create the
value corresponding to the key.</p>
<div class="refsect3">
<a name="id-1.7.3.7.10.6"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>key</p></td>
<td class="parameter_description"><p>a <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> key</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.7.3.7.10.7"></a><h4>Returns</h4>
<p> a new <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> value corresponding to the key.</p>
</div>
</div>
</div>
<div class="refsect1">
<a name="glib-Caches.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GCache"></a><h3>GCache</h3>
<pre class="programlisting">typedef struct _GCache GCache;</pre>
<div class="warning">
<p><code class="literal">GCache</code> has been deprecated since version 2.32 and should not be used in newly-written code.</p>
<p>Use a <a class="link" href="glib-Hash-Tables.html#GHashTable" title="GHashTable"><span class="type">GHashTable</span></a> instead</p>
</div>
<p>The <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> struct is an opaque data structure containing
information about a <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a>. It should only be accessed via the
following functions.</p>
</div>
</div>
</div>
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